AirHint found the following cheapest return flights from London (LHR) to Sarajevo (SJJ) in September 2025 (see full year).

Return flights

09 Sep - 13 Sep	Scandinavian Airlines
19 Sep - 23 Sep	SWISS
02 Sep - 09 Sep	SWISS
16 Sep - 23 Sep	SWISS
05 Sep - 09 Sep	SWISS
02 Sep - 16 Sep	SWISS
04 Sep - 09 Sep	Austrian Airlines
19 Sep - 25 Sep	SWISS
02 Sep - 08 Sep	SWISS
18 Sep - 25 Sep	SWISS
29 Sep - 08 Oct	SWISS
26 Sep - 01 Oct	SWISS
30 Sep - 08 Oct	SWISS
29 Sep - 04 Oct	SWISS
30 Sep - 05 Oct	British Airways
29 Sep - 01 Oct	SWISS
30 Sep - 02 Oct	SWISS

Also check the deals for one-way flights from London to Sarajevo in September.

The deals are updated regularly. The prices may go up as tickets are purchased by other travellers. Only the cheapest flights are offered. Select a price to book and secure these cheap prices.

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Cheapest return flights from London to Sarajevo in September from $215

Return flights